diff --git a/src/entities/kpiUserRole.ts b/src/entities/kpiUserRole.ts
index fd2419f..ebdeea8 100644
--- a/src/entities/kpiUserRole.ts
+++ b/src/entities/kpiUserRole.ts
@@ -156,9 +156,9 @@ export class CreateKpiUserRole {
   kpiRoleId: string;
   @Column()
   documentInfoEvidence: string;
-  @Column()
+  @Column({ nullable: true })
   startDate: Date;
-  @Column()
+  @Column({ nullable: true })
   endDate: Date;
   @Column()
   achievement1: string;
@@ -189,9 +189,9 @@ export class UpdateKpiUserRole {
   kpiRoleId: string;
   @Column()
   documentInfoEvidence: string;
-  @Column()
+  @Column({ nullable: true })
   startDate: Date;
-  @Column()
+  @Column({ nullable: true })
   endDate: Date;
   @Column()
   achievement1: string;